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Retirement Benefit Plans (Defined Contribution Plans) (Details) (USD $)
In Millions, unless otherwise specified
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12 Months Ended |
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Feb. 01, 2014
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Feb. 02, 2013
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Jan. 28, 2012
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
|
|
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| Savings Plan – 401(k) |
$ 38 |
$ 43 |
$ 52 |
| Savings Plan – retirement account |
11 |
11 |
11 |
| Mirror Savings Plan |
3 |
3 |
4 |
| Total |
52 |
57 |
67 |
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Savings, Profit-Sharing and Stock Ownership Plan [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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|
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| Defined contribution plan, required age for employee eligibility |
21 years |
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| Defined contribution plan, service term required for matching contributions |
1 year |
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| Defined contribution plan, service hours required for matching contributions |
1000 hours |
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| Defined contribution plan, employer's matching contribution, percent of employees' contribution subject to plan |
50.00% |
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| Defined contribution plan, employee contribution subject to plan, percent of employees' gross pay |
6.00% |
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| Defined contribution plan, vesting period for matching contributions |
3 years |
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Savings Plan - Noncontributory Retirement Account [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Defined contribution plan, service hours required for matching contributions |
1000 hours |
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| Defined contribution plan, vesting period for matching contributions |
3 years |
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| Defined contribution plan, annual contributions per employee (percent) |
2.00% |
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Benefits Mirror Plan [Member]
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| Deferred Compensation Arrangement with Individual, Postretirement Benefits [Line Items] |
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| Mirror Savings Plan, unamortized balance within accumulated other comprehensive income/(loss) |
$ 17 |
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